History
Cassandra Lang became ill and in order to save her, Scott Lang stole the Ant-Man's Suit from Hank Pym.[1]
Cassie Lang, the daughter of Ant-Man, Scott Lang, has always supported her father. Having grown up with a particularly active mind, Cassie started making various devices to help her father. However, after one particular experiment went haywire, Cassie found herself alongside her family, lost in the Quantum Realm. Thus, Cassie's journey to becoming a hero begins with fighting alongside her father to protect the world.